restore other demo files

demo/kitchen-sink/docs/Haxe.hx

@@ -0,0 +1,17 @@
+class Haxe 
+{
+    public static function main() 
+    {
+        // Say Hello!
+        var greeting:String = "Hello World";
+        trace(greeting);
+        
+        var targets:Array<String> = ["Flash","Javascript","PHP","Neko","C++","iOS","Android","webOS"];
+        trace("Haxe is a great language that can target:");
+        for (target in targets)
+        {
+            trace (" - " + target);
+        }
+        trace("And many more!");
+    }
+}